67 lines
2.0 KiB
C#
67 lines
2.0 KiB
C#
using System;
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using System.Collections.Concurrent;
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namespace YLErp.Modules.RiskEngine
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{
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/// <summary>
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/// 规则编译结果的进程内缓存。
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/// 当前第一版按规则 Id 缓存 Roslyn 编译后的可执行委托。
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/// </summary>
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public static class RuleCompiledCache
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{
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/// <summary>
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/// 规则编译结果的进程内缓存。ConcurrentDictionary为线程安全的字典，用于缓存编译后的规则委托，性能略低。
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/// </summary>
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private static readonly ConcurrentDictionary<string, Func<RiskContext, bool>> Cache
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= new ConcurrentDictionary<string, Func<RiskContext, bool>>(StringComparer.OrdinalIgnoreCase);
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/// <summary>
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/// 写入或更新规则编译结果。
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/// </summary>
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public static void Set(string ruleCode, Func<RiskContext, bool> compiledScript)
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{
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if (string.IsNullOrWhiteSpace(ruleCode) || compiledScript == null)
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{
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return;
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}
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Cache[ruleCode] = compiledScript;
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}
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/// <summary>
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/// 尝试获取规则编译结果。
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/// </summary>
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public static bool TryGet(string ruleCode, out Func<RiskContext, bool> compiledScript)
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{
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compiledScript = null;
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if (string.IsNullOrWhiteSpace(ruleCode))
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{
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return false;
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}
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return Cache.TryGetValue(ruleCode, out compiledScript);
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}
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/// <summary>
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/// 删除指定规则的编译结果。
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/// </summary>
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public static void Remove(string ruleCode)
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{
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if (string.IsNullOrWhiteSpace(ruleCode))
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{
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return;
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}
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Cache.TryRemove(ruleCode, out _);
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}
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/// <summary>
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/// 清空全部规则编译结果。
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/// </summary>
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public static void Clear()
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{
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Cache.Clear();
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}
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}
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} |